Caltha biflora
PNW
AK
BC
ID
MT
OR
WA
302 specimens from 20 herbaria:
Alaska (3)
British Columbia (80)
Idaho (7)
Montana (1)
Oregon (119)
Washington (92)
178 images from 16 herbaria:
BOIS (1)
COCC (2)
HPSU (9)
ID (9)
IDS (2)
LEA (1)
NOCA (8)
OSC (74)
PLU (1)
REED (5)
SRP (6)
UBC (28)
WCW (2)
WS (4)
WTU (19)
WWB (7)